CompoundList

Hex-2-ynedioic acid

CAS 3402-59-3Formula C6H6O4Molar mass 142.11 g/mol
Hex-2-ynedioic acid chemical structure, C6H6O4, CAS 3402-59-3
2D chemical structure

Key facts

What buyers check first

CAS number
3402-59-3
Formula
C6H6O4
Molar mass
142.11 g/mol
HS code
291719
Category
Carboxylic acids and anhydrides

What is Hex-2-ynedioic acid?

Plain description, key identifiers and synonyms

Hex-2-ynedioic acid is a chemical substance with the molecular formula C6H6O4 and a molar mass of 142.11 g/mol. Its CAS registry number is 3402-59-3.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
hex-2-ynedioic acid
CAS number
3402-59-3 CAS number cross-checked
Molecular formula
C6H6O4
InChIKey
KKLGDUSGQMHBPB-UHFFFAOYSA-N
InChI
InChI=1S/C6H6O4/c7-5(8)3-1-2-4-6(9)10/h1,3H2,(H,7,8)(H,9,10)
SMILES (canonical and isomeric)
C(CC(=O)O)C#CC(=O)O

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
142.11 g/molcalc.
Exact mass
142.0266 Dacalc.
LogP (octanol/water)
-0.06calc.
Topological polar surface area
74.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Hex-2-ynedioic acid suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Hex-2-ynedioic acid can send you quotes. Your contact details stay private until you accept a quote.

Hex-2-ynedioic acid price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hex-2-ynedioic acid is traded under.

HS 2917.19Indicative HS code

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$718M
+8.1% vs 2023, imports $915M
2019 to 2024
Top exporters
  1. China46.6%
  2. United States13.7%
  3. Germany10.1%
Top importers
  1. United States16.2%
  2. Denmark11.8%
  3. Germany10.0%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Hex-2-ynedioic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hex-2-ynedioic acid, based on the data on this page

What is Hex-2-ynedioic acid?

Hex-2-ynedioic acid is a chemical substance with the molecular formula C6H6O4 and a molar mass of 142.11 g/mol. Its CAS registry number is 3402-59-3.

What is the CAS number of Hex-2-ynedioic acid?

The CAS registry number of Hex-2-ynedioic acid is 3402-59-3.

What is the molecular formula and weight of Hex-2-ynedioic acid?

The molecular formula of Hex-2-ynedioic acid is C6H6O4 and its molar mass is 142.11 g/mol.

What is Hex-2-ynedioic acid used for?

Known uses and roles of Hex-2-ynedioic acid include building blocks in research and laboratory.

Is Hex-2-ynedioic acid hazardous?

No GHS hazard classification for Hex-2-ynedioic acid is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Hex-2-ynedioic acid?

Hex-2-ynedioic acid is usually classified under HS code 291719 (Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hex-2-ynedioic acid?

Post a free request on CompoundList and suppliers of Hex-2-ynedioic acid will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Hex-2-ynedioic acid?

Suppliers quote Hex-2-ynedioic acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Hex-2-ynedioic acid

Get quotes for Hex-2-ynedioic acid

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Hex-2-ynedioic acid with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/hex-2-ynedioic-acid-3402-59-3" title="Hex-2-ynedioic acid structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Carboxylic acids and anhydrides or HS code 291719

Price on request
Free quotes, contact stays private
Get quotes